If you search for a place where you can sleep/have some rest between, before or after the flights at Istanbul Airport, "Sleepods"Sleeping Cabins At Istanbul Airport will be the service you are looking for.
Sleeping Cabins At Istanbul Airport
What is the Cost of Sleeping Cabins at Istanbul Airport ?
The service fee for Sleeping Cabins at Istanbul Airport is 6 € (euros) per hour (07:00 am -19:00), and 9 € (euros) per hour (19:00-07:00 am) .
There is also 2 € (euros) charge for Blanket, pillow and pillowcase for sleeping pods.
Istanbul airport IGA Sleepod cabins are also equipped with a USB port and a socket for charging devices, and there is a storage below the mattress where passengers can store their luggage/personal items.
If you need more than just a sleeping cabin, you can check the prices of YOTELAIR hotel at Istanbul Airport (Airside), and YOTELAIR (Land Side) by clicking on the links.